| All Patents in class 123/74C | 
| Patents 1 - 
					15
					of 19 
       | 
| Number | Date | Patentee | Title | Type | 
| 276,747 | May 01, 1883 | C.W. Baldwin | Gas Engine | gas and gasoline engines | 
| 276,749 | May 01, 1883 | C.W. Baldwin | Gas Engine | gas and gasoline engines | 
| 279,657 | Jun. 19, 1883 | H.S. Maxim | Gas Engine | gas and gasoline engines | 
| 289,693 | Dec. 04, 1883 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 296,340 | Apr. 08, 1884 | H.S. Maxim | Gas Engine | gas and gasoline engines | 
| 322,477 | Jul. 21, 1885 | J.F. Place | Gas Engine | gas and gasoline engines | 
| 343,744 | Jun. 15, 1886 | S. Wilcox | Gas Engine | gas and gasoline engines | 
| 383,775 | May 29, 1888 | C. Sintz | Gas Engine | gas and gasoline engines | 
| 406,160 | Jul. 02, 1889 | E. Captaine | Gas Motor |  | 
| 514,211 | Feb. 06, 1894 | B.H. Coffey | Gas Engine | internal combustion engines | 
| 536,090 | Mar. 19, 1895 | J. Kosakoff, V. List | Petroleum or Oil Engine | oil engines | 
| 543,165 | Jul. 23, 1895 | C.W. Weiss | Explosive Engine | oil engines | 
| 549,160 | Nov. 05, 1895 | G.B. Selden | Road Engine |  | 
| 579,068 | Mar. 16, 1897 | E. Merry | Hydrocarbon Engine |  | 
| 603,297 | May 03, 1898 | W.F. Trotter | Oil or Gas Engine | oil engines |